%X Locale’s appropriate time representation. 07:06:05 %% A literal '%' character. % ValueError in strptime() If the string (first argument) and the format code (second argument) passed to the strptime() doesn't match, you will get ValueError. For example: from datetime import datetime ...
datetime.strptime(date_string,format) Both the arguments are mandatory and should be string. This function is exactly opposite ofstrftime() function, which converts datetime object to a string. 这两个参数都是强制性的,应为字符串。 此函数与strftime()函数完全相反,该函数将datetime对象转换为字符串。
Convert String todatetime.datetime()Object with Locale Example The following example converts a German locale date string into adatetime.datetime()object, and prints the class type and value of the resulting object: fromdatetimeimportdatetimeimportlocale locale.setlocale(locale.LC_ALL,'de_DE')date_...
Example 1: datetime to string using strftime() The program below converts adatetimeobject containingcurrent date and timeto different string formats. fromdatetimeimportdatetime now = datetime.now()# current date and timeyear = now.strftime("%Y")print("year:", year) month = now.strftime("%m"...
We can convert a string to datetime usingstrptime()function. This function is available in datetime and time modules to parse a string to datetime and time objects respectively. 我们可以使用strptime()函数将字符串转换为datetime。 datetime和time模块中提供了此功能,可分别将字符串解析为datetime和time对象...
locale.str(float) Formats a floating point number using the same format as the built-in function str(float), but takes the decimal point into account.locale.delocalize(string) Converts a string into a normalized number string, following the LC_NUMERIC settings. 3.5 新版功能....
Formatting and Styling:String formatting is a useful tool for customizing how textual data appears. When you convert integers to strings, you can format numbers according to specific needs, such as adding leading zeros, specifying decimal precision, or using comma separators. ...
f-string expression part cannot include '#' 2. 速度f字符串中f也有“速度快”的意思,f字符串比%格式化和str.format()都快。 我们来测试下这几种格式化字符串的速度: >>> importtimeit >>> timeit.timeit("""name = "ZWJ" age = 20 '%s is %s.' % (name, age)""", number = 100000)...
format string = string literals + replacement fields 格式字符串(format string) 由 字符串字面量(string literals) 或 替代字段(replacement fields)构成。 替代字段(replacement field)是由一对花括号括起来的内容; 非替代字段的字符都被作为字符串字面量(string literals); ...
Proper sorting of Unicode text with locale and the PyUCA library Character metadata in the Unicode database Dual-mode APIs that handle str and bytes Let’s start with the characters, code points, and bytes.Character Issues The concept of “string” is simple enough: a string is a sequenc...